字幕付き動画ニュース－COVID-19: Russia has begun to roll out vaccination in Sputnik V clinics
『COVID-19: Russia has begun to roll out vaccination in Sputnik V cli...
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字幕付き動画ニュース－Painful legacy of China’s one child policy – BBC News
『Painful legacy of China's one child policy - BBC News』は、2015-10-29 ...